| 2012/03/30 - Mark Hatle <mark.hatle@windriver.com> |
| - Initial version |
| |
| Most of the items for the X86 architectures are defined in the single |
| arch-x86 file. |
| |
| Three ABIs are define, m32, mx32 and m64. |
| |
| The following is the list of X86 specific variables: |
| |
| X86ARCH32 - This is the 32-bit architecture GNU canonical arch, TUNE_ARCH. |
| |
| X86ARCH64 - This is the 64-bit architecture GNU canonical arch, TUNE_ARCH. |
| |
| The TUNE_PKGARCH is defined as follows: |
| |
| TUNE_PKGARCH = ${TUNE_PKGARCH:tune-${DEFAULTTUNE}} |
| |
| The package architecture for 32-bit targets is historical and generally |
| set to to match the core compatible processor type, i.e. i386. |
| |
| For 64-bit architectures, the architecture is expected to end in '_64'. |
| |
| If the x32 ABI is used, then the _64 is further extended with a '_x32'. |